I just had major back surgery and cannot sit. This means unless I'm laying down, I'm standing to do, quite literally, everything. I didn't even think about it prior to surgery and immediately started looking for anti-fatigue mats when I got home. I HAD to have a mat that was safe to roll a walker onto (no hard edges), absolutely has to be as trip resistant as possible, cannot slide or scoot around underfoot, must have enough cushion to make standing easier on me but can't be too thick to cause iSee full review